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3 Point Charges

  1. Sep 5, 2011 #1
    Three charged objects are arranged on a vertical line as shown
    in the figure. The separation between charges is 3.0 cm.

    a) If you wanted to find the force on charge C, which
    fields would be relevant? Explain and calculate the
    magnitude of this field. Which direction does it point?

    b) What is the force, magnitude and direction, acting on charge C?

    Attached Files:

  2. jcsd
  3. Sep 5, 2011 #2


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    welcome to pf!

    hi thekakaru! welcome to pf! :wink:

    show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:
  4. Sep 5, 2011 #3
    I know in general how to find the Efields on charge C and the Eforces on charge C, but i was just confused if the Efield on C is either due to B or due to A and B.
  5. Sep 5, 2011 #4


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    hi thekakaru! :smile:

    everything affects everything else …

    the force on C is the force from A plus the force from B :wink:
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